12227125308517 has 4 divisors (see below), whose sum is σ = 13973857495456. Its totient is φ = 10480393121580.

The previous prime is 12227125308427. The next prime is 12227125308539. The reversal of 12227125308517 is 71580352172221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12227125308517 - 2³¹ = 12224977824869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227125308547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873366093459 + ... + 873366093472.

It is an arithmetic number, because the mean of its divisors is an integer number (3493464373864).

Almost surely, 2^{12227125308517} is an apocalyptic number.

It is an amenable number.

12227125308517 is a deficient number, since it is larger than the sum of its proper divisors (1746732186939).

12227125308517 is an equidigital number, since it uses as much as digits as its factorization.

12227125308517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746732186938.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 12227125308517 in words is "twelve trillion, two hundred twenty-seven billion, one hundred twenty-five million, three hundred eight thousand, five hundred seventeen".